diff --git a/han-note-kv/han-note-kv-api/src/main/java/com/hanserwei/hannote/kv/api/KeyValueFeignApi.java b/han-note-kv/han-note-kv-api/src/main/java/com/hanserwei/hannote/kv/api/KeyValueFeignApi.java
index 9560afa..5327865 100644
--- a/han-note-kv/han-note-kv-api/src/main/java/com/hanserwei/hannote/kv/api/KeyValueFeignApi.java
+++ b/han-note-kv/han-note-kv-api/src/main/java/com/hanserwei/hannote/kv/api/KeyValueFeignApi.java
@@ -31,4 +31,6 @@ public interface KeyValueFeignApi {
     @PostMapping(value = PREFIX + "/comment/content/batchFind")
     Response<List<FindCommentContentRspDTO>> batchFindCommentContent(@RequestBody BatchFindCommentContentReqDTO batchFindCommentContentReqDTO);
 
+    @PostMapping(value = PREFIX + "/comment/content/delete")
+    Response<?> deleteCommentContent(@RequestBody DeleteCommentContentReqDTO deleteCommentContentReqDTO);
 }
\ No newline at end of file
diff --git a/han-note-kv/han-note-kv-api/src/main/java/com/hanserwei/hannote/kv/dto/req/DeleteCommentContentReqDTO.java b/han-note-kv/han-note-kv-api/src/main/java/com/hanserwei/hannote/kv/dto/req/DeleteCommentContentReqDTO.java
new file mode 100644
index 0000000..dbd2f8a
--- /dev/null
+++ b/han-note-kv/han-note-kv-api/src/main/java/com/hanserwei/hannote/kv/dto/req/DeleteCommentContentReqDTO.java
@@ -0,0 +1,25 @@
+package com.hanserwei.hannote.kv.dto.req;
+
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+public class DeleteCommentContentReqDTO {
+
+    @NotNull(message = "笔记 ID 不能为空")
+    private Long noteId;
+
+    @NotBlank(message = "发布年月不能为空")
+    private String yearMonth;
+
+    @NotBlank(message = "评论正文 ID 不能为空")
+    private String contentId;
+
+}
\ No newline at end of file
diff --git a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/controller/CommentContentController.java b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/controller/CommentContentController.java
index d91e3d0..d46ed04 100644
--- a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/controller/CommentContentController.java
+++ b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/controller/CommentContentController.java
@@ -5,6 +5,7 @@ import com.hanserwei.framework.common.response.Response;
 import com.hanserwei.hannote.kv.biz.service.CommentContentService;
 import com.hanserwei.hannote.kv.dto.req.BatchAddCommentContentReqDTO;
 import com.hanserwei.hannote.kv.dto.req.BatchFindCommentContentReqDTO;
+import com.hanserwei.hannote.kv.dto.req.DeleteCommentContentReqDTO;
 import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.validation.annotation.Validated;
@@ -33,4 +34,10 @@ public class CommentContentController {
         return commentContentService.batchFindCommentContent(batchFindCommentContentReqDTO);
     }
 
+    @PostMapping(value = "/comment/content/delete")
+    @ApiOperationLog(description = "删除评论内容")
+    public Response<?> deleteCommentContent(@Validated @RequestBody DeleteCommentContentReqDTO deleteCommentContentReqDTO) {
+        return commentContentService.deleteCommentContent(deleteCommentContentReqDTO);
+    }
+
 }
diff --git a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/domain/repository/CommentContentRepository.java b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/domain/repository/CommentContentRepository.java
index c37ef1a..e87c8b8 100644
--- a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/domain/repository/CommentContentRepository.java
+++ b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/domain/repository/CommentContentRepository.java
@@ -20,4 +20,13 @@ public interface CommentContentRepository extends CassandraRepository<CommentCon
     List<CommentContentDO> findByPrimaryKeyNoteIdAndPrimaryKeyYearMonthInAndPrimaryKeyContentIdIn(
             Long noteId, List<String> yearMonths, List<UUID> contentIds
     );
+
+    /**
+     * 删除评论正文
+     *
+     * @param noteId    笔记ID
+     * @param yearMonth 年月
+     * @param contentId 评论 ID
+     */
+    void deleteByPrimaryKeyNoteIdAndPrimaryKeyYearMonthAndPrimaryKeyContentId(Long noteId, String yearMonth, UUID contentId);
 }
\ No newline at end of file
diff --git a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/CommentContentService.java b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/CommentContentService.java
index 7696c00..4780e20 100644
--- a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/CommentContentService.java
+++ b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/CommentContentService.java
@@ -3,6 +3,7 @@ package com.hanserwei.hannote.kv.biz.service;
 import com.hanserwei.framework.common.response.Response;
 import com.hanserwei.hannote.kv.dto.req.BatchAddCommentContentReqDTO;
 import com.hanserwei.hannote.kv.dto.req.BatchFindCommentContentReqDTO;
+import com.hanserwei.hannote.kv.dto.req.DeleteCommentContentReqDTO;
 
 public interface CommentContentService {
 
@@ -21,4 +22,13 @@ public interface CommentContentService {
      * @return 批量查询结果
      */
     Response<?> batchFindCommentContent(BatchFindCommentContentReqDTO batchFindCommentContentReqDTO);
+
+    /**
+     * 删除评论内容
+     *
+     * @param deleteCommentContentReqDTO 删除评论内容请求参数
+     * @return 删除结果
+     */
+    Response<?> deleteCommentContent(DeleteCommentContentReqDTO deleteCommentContentReqDTO);
+
 }
diff --git a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/impl/CommentContentServiceImpl.java b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/impl/CommentContentServiceImpl.java
index 9c1790c..37d3436 100644
--- a/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/impl/CommentContentServiceImpl.java
+++ b/han-note-kv/han-note-kv-biz/src/main/java/com/hanserwei/hannote/kv/biz/service/impl/CommentContentServiceImpl.java
@@ -7,10 +7,7 @@ import com.hanserwei.hannote.kv.biz.domain.dataobject.CommentContentDO;
 import com.hanserwei.hannote.kv.biz.domain.dataobject.CommentContentPrimaryKey;
 import com.hanserwei.hannote.kv.biz.domain.repository.CommentContentRepository;
 import com.hanserwei.hannote.kv.biz.service.CommentContentService;
-import com.hanserwei.hannote.kv.dto.req.BatchAddCommentContentReqDTO;
-import com.hanserwei.hannote.kv.dto.req.BatchFindCommentContentReqDTO;
-import com.hanserwei.hannote.kv.dto.req.CommentContentReqDTO;
-import com.hanserwei.hannote.kv.dto.req.FindCommentContentReqDTO;
+import com.hanserwei.hannote.kv.dto.req.*;
 import com.hanserwei.hannote.kv.dto.resp.FindCommentContentRspDTO;
 import jakarta.annotation.Resource;
 import jakarta.validation.constraints.NotBlank;
@@ -91,4 +88,16 @@ public class CommentContentServiceImpl implements CommentContentService {
 
         return Response.success(findCommentContentRspDTOS);
     }
+
+    @Override
+    public Response<?> deleteCommentContent(DeleteCommentContentReqDTO deleteCommentContentReqDTO) {
+        Long noteId = deleteCommentContentReqDTO.getNoteId();
+        String yearMonth = deleteCommentContentReqDTO.getYearMonth();
+        String contentId = deleteCommentContentReqDTO.getContentId();
+
+        // 删除评论正文
+        commentContentRepository.deleteByPrimaryKeyNoteIdAndPrimaryKeyYearMonthAndPrimaryKeyContentId(noteId, yearMonth, UUID.fromString(contentId));
+
+        return Response.success();
+    }
 }
diff --git a/http-client/gateApi.http b/http-client/gateApi.http
index 94ee0ba..4d2b3bd 100644
--- a/http-client/gateApi.http
+++ b/http-client/gateApi.http
@@ -384,3 +384,13 @@ Authorization: Bearer {{token}}
 {
   "commentId": 8001
 }
+
+### 删除评论
+POST http://localhost:8084/kv/comment/content/delete
+Content-Type: application/json
+
+{
+  "noteId": 1862481582414102549,
+  "yearMonth": "2025-11",
+  "contentId": "0fa4376f-a098-4fee-821b-f5b7e627a72c"
+}